🔌 A4988 Stepper Motor Driver Module for Arduino – Compatible with NEMA17
The A4988 is a microstepping driver module designed to control bipolar stepper motors like the NEMA17 with ease and precision. It offers up to 1/16 microstepping and built-in protection features, making it perfect for CNC, 3D printer, and robotics applications.
✅ Key Features:
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Drives Bipolar Stepper Motors – Compatible with NEMA17 and others
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Up to 1/16 Microstepping – Smooth and accurate motor control
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Adjustable Current Control – Set max current with a potentiometer
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Built-in Protection – Includes over-temp, over-current, and short circuit protection
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Direction & Step Control Interface – Simple integration with Arduino & GRBL systems
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Compact & Stackable – Fits into CNC shields and custom setups
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Includes Heatsink – Keeps the driver cool during extended use
⚙️ Specifications:
| Property | Details |
|---|---|
| Motor Support | Bipolar Stepper Motors (e.g., NEMA17) |
| Microstepping Modes | Full, 1/2, 1/4, 1/8, 1/16 |
| Operating Voltage | 8V – 35V |
| Max Current Output | Up to 2A per coil (with cooling) |
| Logic Voltage | 3.3V – 5V |
| Control Interface | STEP, DIR, ENABLE |
| Dimensions | ~20 × 15 mm |
| Heatsink | Included |
🛠️ Applications:
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3D Printers (RepRap, Prusa, Ender, etc.)
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CNC Machines & Plotters
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Robotics and Actuators
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DIY Motion Control Projects
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GRBL-Based Control Boards
📦 Package Includes:
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1× A4988 Stepper Motor Driver Module
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1× Aluminum Heatsink
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